CVE-2024-26484Public exploitNetwork attack vector

Stored script execution via unnormalized link field

Published Feb 22, 2024 · Updated Aug 26, 2024

Stored XSS in the trykirby.com Demokit for Kirby 4.1.0 allows attackers to execute scripts through an image-block Link field. The demo's site/snippets/blocks/image.php passes the stored Link value directly into an href attribute instead of normalizing it with toUrl(). The vendor states that no Kirby CMS release was affected because the faulty snippet existed only on the vendor-controlled demo site, not customer installations.

CVSS severity6.1
Medium
EPSS probability0.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in the trykirby.com Demokit for Kirby 4.1.0 allows attackers to execute scripts through an image-block Link field. The demo's site/snippets/blocks/image.php passes the stored Link value directly into an href attribute instead of normalizing it with toUrl(). The vendor states that no Kirby CMS release was affected because the faulty snippet existed only on the vendor-controlled demo site, not customer installations.

The record

CVE
CVE-2024-26484
Published
Feb 22, 2024
Updated
Aug 26, 2024
Vendor
Content Folder
Product
Kirby
Classifications
CWE-79
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 22, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 26, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Content Folder · Kirbyversion=4.1.0

Published CVSS scores

6.1CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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